$55.96
Tezzeret the Seeker 
Legendary Planeswalker — Tezzeret
War of the Spark Mythic Edition Mythic
+1: Untap up to two target artifacts.
−X: Search your library for an artifact card with mana value X or less, put it onto the battlefield, then shuffle.
−5: Artifacts you control become artifact creatures with base power and toughness 5/5 until end of turn.
−X: Search your library for an artifact card with mana value X or less, put it onto the battlefield, then shuffle.
−5: Artifacts you control become artifact creatures with base power and toughness 5/5 until end of turn.
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#4 — Illus. Victor Adame Minguez